Nummer: 16002
| Area : | Western Area |
| Sea area : | North Atlantic |
| Date of attack : | 19.03.1943 |
| Time of attack : | 20:08 |
| Nationality of U-boat : | German |
| U-boat : | U 523 |
| Commander : | Pietzsch |
| Grid : | AL 4838 |
| presumed target type : | Steam Freighter |
| presumed tonnage : | 6000 BRT |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo coup de grâce |
| Convoy : | HX.229 s |
| Date of observation : | 19.03.1943 |
| Nationality of target : | American |
| Actual type of target : | Steam Freighter |
| Name of target : | Mathew Luckenbach |
| Year of launch : | 1918 |
| Actual tonnage : | 5848 BRT |
| Actual result : | sunk |
| Position of target : | 54.23n 23.34w |
| Footnote : | "Mathew Luckenbach" had already been torpedoed by U-527/Uhlig a few hours before at 10:47h (see FN.3247). |
| Convoy : | HX.229 s |
| Route of convoy : | (New York) - Halifax - United Kingdom |
| Remark to convoy : | Sep 1939 to Sep 1942 ab Halifax, then from New York (counter traffic = ON), vgl. HXF und SC. |
| updated on: | 00.00.0000 |
| Remark: | Anm. Mathew |
| Changes: | 1) Pietzsch, Werner 2) Rayner/33, 15.5.00 3) Kolbicz E160 02.02: Anm.: Mathew |